﻿/*
 * Licensed to the SkyAPM under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The SkyAPM licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

using FreeRedis;
using Microsoft.Extensions.DependencyInjection;
using SkyApm;
using SkyApm.Utilities.DependencyInjection;
using System;
using System.Diagnostics;

namespace SkyApm.Diagnostics.FreeRedis
{

    public static class SkyWalkingBuilderExtensions
    {
        public static readonly DiagnosticListener dl = new DiagnosticListener("FreeRedisDiagnosticListener");

        public static SkyApmExtensions AddFreeRedis(this SkyApmExtensions extensions, RedisClient redisClient, bool includeAuth = false)
        {
            if (extensions == null)
            {
                throw new ArgumentNullException(nameof(extensions));
            }
            extensions.Services.AddSingleton<ITracingDiagnosticProcessor, FreeRedisTracingDiagnosticProcessor>();
            if (redisClient != null)
            {
                ConfigAop(redisClient, includeAuth);
            }
            return extensions;
        }


        public static void ConfigAop(RedisClient redisClient, bool includeAuth = false)
        {
            redisClient.Notice += (s, e) =>
            {
                if (!string.IsNullOrWhiteSpace(e.Log) && (includeAuth || (!e.Log.Contains("> AUTH "))))
                {
                    dl.Write(FreeRedisTracingDiagnosticProcessor.FreeRedis_Notice, e);
                }
            };
        }
    }
}